/Engine/Plugins/Experimental/QuicMessaging/Source/QuicMessaging/Public/IQuicNetworkMessagingExtension.h
Transport authentication message to endpoint.
Whether the message was sent
bool TransportAuthMessage ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IMessageContext](API\Runtime\Messaging\IMessageContext), ESPMode::ThreadSafe > & Context, const [FGuid](API\Runtime\Core\Misc\FGuid) & Recipient )